+++ /dev/null
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "aedit.h"
-#include "amodule.h"
-#include "arender.h"
-#include "assets.h"
-#include "atrack.h"
-#include "audiodevice.h"
-#include "bcsignals.h"
-#include "condition.h"
-#include "edit.h"
-#include "edits.h"
-#include "edl.h"
-#include "edlsession.h"
-#include "file.h"
-#include "format.inc"
-#include "levelwindow.h"
-#include "playabletracks.h"
-#include "plugin.h"
-#include "preferences.h"
-#include "renderengine.h"
-#include "samples.h"
-#include "thread.h"
-#include "tracks.h"
-#include "transportque.h"
-#include "virtualaconsole.h"
-#include "virtualanode.h"
-#include "virtualnode.h"
-
-
-VirtualAConsole::VirtualAConsole(RenderEngine *renderengine, ARender *arender)
- : VirtualConsole(renderengine, arender, TRACK_AUDIO)
-{
- this->arender = arender;
- output_temp = 0;
- output_allocation = 0;
-}
-
-VirtualAConsole::~VirtualAConsole()
-{
- if(output_temp) delete output_temp;
-}
-
-
-void VirtualAConsole::get_playable_tracks()
-{
- if(!playable_tracks)
- playable_tracks = new PlayableTracks(renderengine->get_edl(),
- commonrender->current_position,
- renderengine->command->get_direction(),
- TRACK_AUDIO,
- 1);
-}
-
-
-VirtualNode* VirtualAConsole::new_entry_node(Track *track,
- Module *module,
- int track_number)
-{
- return new VirtualANode(renderengine,
- this, module, 0, track, 0);
- return 0;
-}
-
-
-
-int VirtualAConsole::process_buffer(int64_t len,
- int64_t start_position)
-{
- int result = 0;
- const int debug = 0;
-if(debug) printf("VirtualAConsole::process_buffer %d this=%p len=" _LD "\n",
- __LINE__, this, len);
-
-
-// clear output buffers
- for(int i = 0; i < MAX_CHANNELS; i++)
- {
-// if(debug) printf("VirtualAConsole::process_buffer 2 %d %p " _LD "\n",
-// i,
-// arender->audio_out[i],
-// len);
-
- if(arender->audio_out[i])
- {
- bzero(arender->audio_out[i]->get_data(), len * sizeof(double));
- }
- }
-
-// Create temporary output
- if(output_temp && output_allocation < len)
- {
- delete output_temp;
- output_temp = 0;
- }
-
- if(!output_temp)
- {
- output_temp = new Samples(len);
- output_allocation = len;
- }
-if(debug) printf("VirtualAConsole::process_buffer %d\n", __LINE__);
-
-
-// Reset plugin rendering status
- reset_attachments();
-//printf("VirtualAConsole::process_buffer 1 %p\n", output_temp);
-
-if(debug) printf("VirtualAConsole::process_buffer %d\n", __LINE__);
-
-
-// Render exit nodes
- for(int i = 0; i < exit_nodes.total; i++)
- {
- VirtualANode *node = (VirtualANode*)exit_nodes.values[i];
- Track *track = node->track;
-
- result |= node->render(output_temp,
- len,
- start_position + track->nudge,
- renderengine->get_edl()->session->sample_rate);
- }
-if(debug) printf("VirtualAConsole::process_buffer %d\n", __LINE__);
-
-
-
-// get peaks and limit volume in the fragment
- for(int i = 0; i < MAX_CHANNELS; i++)
- {
- if(arender->audio_out[i])
- {
- double *current_buffer = arender->audio_out[i]->get_data();
-
-
- for(int j = 0; j < len; )
- {
- int meter_render_end;
-// Get length to test for meter and limit
- if(renderengine->command->realtime)
- meter_render_end = j + arender->meter_render_fragment;
- else
- meter_render_end = len;
-
- if(meter_render_end > len)
- meter_render_end = len;
-
- double peak = 0;
-
- for( ; j < meter_render_end; j++)
- {
-// Level history comes before clipping to get over status
- double *sample = ¤t_buffer[j];
-
-
- if(fabs(*sample) > peak) peak = fabs(*sample);
-// Make the output device clip it
-// if(*sample > 1) *sample = 1;
-// else
-// if(*sample < -1) *sample = -1;
- }
-
-
- if(renderengine->command->realtime)
- {
- arender->level_history[i][arender->current_level[i]] = peak;
- arender->level_samples[arender->current_level[i]] =
- renderengine->command->get_direction() == PLAY_REVERSE ?
- start_position - j :
- start_position + j;
- arender->current_level[i] = arender->get_next_peak(arender->current_level[i]);
- }
- }
- }
- }
-
-if(debug) printf("VirtualAConsole::process_buffer %d\n", __LINE__);
-
-
-
-
-
-// Pack channels, fix speed and send to device.
- if(!renderengine->is_nested &&
- renderengine->command->realtime &&
- !interrupt)
- {
-// speed parameters
-// length compensated for speed
- int real_output_len = 0;
-// output sample
- double sample;
- int k;
- double *audio_out_packed[MAX_CHANNELS];
- int audio_channels = renderengine->get_edl()->session->audio_channels;
-
- for(int i = 0, j = 0;
- i < audio_channels;
- i++)
- {
- audio_out_packed[j++] = arender->audio_out[i]->get_data();
- }
- for(int i = 0;
- i < audio_channels;
- i++)
- {
- int in, out;
-
- double *current_buffer = audio_out_packed[i];
-
-// Time stretch the fragment to the real_output size
- if(renderengine->command->get_speed() > 1)
- {
-// Number of samples in real output buffer for each to sample rendered.
- int interpolate_len = (int)renderengine->command->get_speed();
- for(in = 0, out = 0; in < len; )
- {
- sample = 0;
- for(k = 0; k < interpolate_len; k++)
- {
- sample += current_buffer[in++];
- }
-
- sample /= renderengine->command->get_speed();
- current_buffer[out++] = sample;
- }
- real_output_len = out;
- }
- else
- if(renderengine->command->get_speed() < 1)
- {
-// number of samples to skip
- int interpolate_len = (int)(1.0 / renderengine->command->get_speed());
- real_output_len = len * interpolate_len;
-
- for(in = len - 1, out = real_output_len - 1; in >= 0; )
- {
- for(k = 0; k < interpolate_len; k++)
- {
- current_buffer[out--] = current_buffer[in];
- }
- in--;
- }
- }
- else
- real_output_len = len;
- }
-
-// Wait until video is ready
- if(arender->first_buffer)
- {
- renderengine->first_frame_lock->lock("VirtualAConsole::process_buffer");
- arender->first_buffer = 0;
- }
- if(!renderengine->audio->get_interrupted())
- {
- renderengine->audio->write_buffer(audio_out_packed, audio_channels,
- real_output_len);
- }
-
- if(renderengine->audio->get_interrupted()) interrupt = 1;
- }
-
-if(debug) printf("VirtualAConsole::process_buffer %d\n", __LINE__);
-
-
-
-
-
- return result;
-}
-
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-int VirtualAConsole::init_rendering(int duplicate)
-{
- return 0;
-}
-
-
-int VirtualAConsole::send_last_output_buffer()
-{
- renderengine->audio->set_last_buffer();
- return 0;
-}
-
projects / goodguy / history.git / blobdiff